The Bangkok Post writes that Thailand’s second largest cellco by users, DTAC, has decided to continue with plans to develop 3G UMTS services in both the 850MHz and 2100MHz frequency bands. The Telenor subsidiary reportedly plans to trial 3G/3.5G W-CDMA/HSDPA technology on its existing 850MHz bandwidth, by deploying around 30 cell sites in Bangkok by the end of this year. DTAC has allocated 50MHz of its existing 1800MHz digital frequency for voice services, plus 10MHz of legacy 850MHz analogue frequency for data. According to the report, the analogue system still has 1,000 active users. Thailand’s National Telecommunications Commission (NTC) plans to award 2100MHz UMTS licences via a public auction scheduled for the third quarter of this year.